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backup roll contour of a stcrown tandem cold rolling mill

  • Backup roll contour of a SmartCrown tandem cold rolling mill

    A new FSR (flexible shape backup roll) was developed and applied in 1700 mm tandem cold rolling mills. A lot of good actual effects of FSR, such as evident improvement in profile and flatness of strips, non-occurring edge spalling, wear uniform, and remarkable decrease in roll consumption were validated by long-term industrial applications.

    Backup roll contour of a SmartCrown tandem cold rolling mill

    01.06.2008· A new FSR (flexible shape backup roll) was developed and applied in 1700 mm tandem cold rolling mills. A lot of good actual effects of FSR, such as evident improvement in profile and flatness of strips, non-occurring edge spalling, wear uniform, and remarkable decrease in roll consumption were validated by long-term industrial applications.

    Backup roll contour of a SmartCrown tandem cold rolling

    A new FSR (flexible shape backup roll) was developed and applied in 1700 mm tandem cold rolling mills. A lot of good actual effects of FSR, such as evident improvement in profile and flatness of...

    SmartCrown work roll contour of a 4-hi tandem cold rolling

    A new FSR (flexible shape backup roll) was developed and applied in 1700 mm tandem cold rolling mills. A lot of good actual effects of FSR, such as evident improvement in profile and flatness of

    Backup roll contour for edge drop control technology in

    Request PDF Backup roll contour for edge drop control technology in tandem cold rolling mill Based on ANSYS software and industrial rolling of edge drop control, a 3-dimensional finite element

    Backup roll contour for edge drop control technology in

    Based on ANSYS software and industrial rolling of edge drop control,a 3-dimensional finite element model of roll stacks was built for 1 700 mm tandem cold rolling mill.Using this model,the reasons for some problems exists on the 1 700 mm tandem cold rolling mill configuration of the conventional backup roll and tapered work roll system such as the lower shape control,the poor edge drop control

    backup roll contour of a stcrown tandem cold rolling mill

    backup roll contour of a stcrown tandem cold rolling mill. Popular Searches . Mountain Homes Illustrated Vol 28 Num 5 by Mountain Know More. nbsp 0183 32 3 MOUNTAIN HOMES ILLUSTRATED / VOLUME 28 NUMBER 5 1 6 0 E A D A M S S T S U I T E B -11 P O B O X 4 3 2 6 B R E C K E N R I D G E C O 8 0 4 2 4 Erika B Schmidt BROKER /O WNER CRS ABR The Nation s Combat Logistics

    Backup roll contour of 2250 CVC hot strip mill Request PDF

    Based on the fact that the backup roll for 2250 CVC tandem mill in hot rolling has serious and non-uniform wear, and the edge spalling often happens, a new backup roll contour named CVR (CVC-VCR...

    Shape control with varying contact backup rolls on tandem

    Request PDF Shape control with varying contact backup rolls on tandem cold rolling mill The configuration of conventional backup and work rolls for revamped 1700 tandem cold rolling mill at

    A set-up model for tandem cold rolling mills ScienceDirect

    24.10.2001· One is the contour of the interface and the other is related to the frictional condition. Orowan,Bland and Ford and In tandem cold rolling mills, strip is rolled on a continuous production line, passing from one mill station to another at high speed without stopping in between the stations. A standard tandem mill will contain about 4–7 individual mill stands as shown in Fig. 1. While

    SmartCrown work roll contour of a 4-hi tandem cold

    A new FSR (flexible shape backup roll) was developed and applied in 1700 mm tandem cold rolling mills. A lot of good actual effects of FSR, such as evident improvement in profile and flatness of

    Backup roll contour for edge drop control technology in

    Based on ANSYS software and industrial rolling of edge drop control,a 3-dimensional finite element model of roll stacks was built for 1 700 mm tandem cold rolling mill.Using this model,the reasons for some problems exists on the 1 700 mm tandem cold rolling mill configuration of the conventional backup roll and tapered work roll system such as the lower shape control,the poor edge drop control

    Axial Force Analysis and Roll Contour Configuration of

    In order to analyze the influence of technical parameters on work roll axial force of four-high continuous variable crown (CVC) mill, the deformation analyzing model with top roll system and strip was established based on influence function method. Then a CVC work roll curve designing scheme was proposed and it was carried out on some cold rolling mill considering the requirement of

    Analysis of Chatter in Tandem Cold Rolling Mills

    backup rolls and torsion vibration of the drive system are This paper is concerned with chatter in tandem cold rolling mills, which has been recognised to have close relation with friction conditions in roll bites. However, the relation between rolling conditions and the stability of vibration has not been clearly understood. Therefore, an attempt is made to understand how the rolling

    Integrated design of roll contours for strip edge drop and

    01.02.2018· The integrated design of roll contours for EDW (Edge Drop Control Work Rolls) and matched VCR(Varying Contact Backup Rolls) were developed to decrease the uneven deformation of roll flattening and eliminate undesired overhung contact areas for different strip widths, which provides a novel approach for high-quality control of strip edge drop and crown in 4-high tandem cold rolling mills

    Design and Analysis of Cold Rolling Mill Chock

    work roll and backup Roll chock in cold rolling mill, to control the failure of choke in cold rolling mill for retain the material cost and longer life of the roll chock. The roll chock had stress distribution has been analyses by software ANSYS from which maximum static stress at critical areas have been calculated. Structural behavior of Roll chock under the given loading and boundary

    Taper Roll Contour Design for Edge Drop Control of Non

    The taper work roll of the 1700 mm tandem cold rolling mills had some problems in the course of using, and the taper roll contour was ground difficultly and the difference between the designed contour and grinding contour was very big, and the work roll and backup roll had very serious and non-uniform roll wearing and even often had roll spalling, and above those problems affected the

    Cambering of Four High Cold Mill with the View of Reducing

    per. Related technology can’t be copied to tandem cold rolling with heavy reduction rate which is aimed at managing complex seas. The patent, entitled “A back-up roll configuration curve which cooperate with the work-ing roll configuration curve of continuous variable crown mill”, the application number is CN200510024680.1 [7]; the patent, entitled “A back-up roll configuration curve

    Optimization Technology of Roll Contours during Skin

    The hot-rolled strip skin-pass mill is the important technological equipment of finishing process in the hot rolling plant, and its role is to apply a slight thickness reduction of approximately 1% 4% to the finished products cooled to room temperature to repair flatness defects and improve the surface quality and mechanical properties. In this study, the initial flat roll contours were

    DESIGN AND OPTIMIZATION OF ROLLING MILL CHOCK

    Keywords: Rolling mill, roll chock, modeling, design, analysis and optimization. 1. Introduction Roll chocks which accommodate the roll neck bearing for the mil rolls .are sally steel casting designed to fit into the window of the housing such they are intend ant to maintain accurate positioning of the rolls and in the case of backup roll chocks .to transmit the rolling force from the housing

    Backup roll contour for edge drop control technology in

    Based on ANSYS software and industrial rolling of edge drop control,a 3-dimensional finite element model of roll stacks was built for 1 700 mm tandem cold rolling mill.Using this model,the reasons for some problems exists on the 1 700 mm tandem cold rolling mill configuration of the conventional backup roll and tapered work roll system such as the lower shape control,the poor edge drop control

    Integrated design of roll contours for strip edge drop and

    The integrated design of roll contours for EDW (Edge Drop Control Work Rolls) and matched VCR(Varying Contact Backup Rolls) were developed to decrease the uneven deformation of roll flattening and eliminate undesired overhung contact areas for different strip widths, which provides a novel approach for high-quality control of strip edge drop and crown in 4-high tandem cold rolling mills

    Cambering of Four High Cold Mill with the View of Reducing

    per. Related technology can’t be copied to tandem cold rolling with heavy reduction rate which is aimed at managing complex seas. The patent, entitled “A back-up roll configuration curve which cooperate with the work-ing roll configuration curve of continuous variable crown mill”, the application number is CN200510024680.1 [7]; the patent, entitled “A back-up roll configuration curve

    Combined operating modes and frame types in tandem

    Tandem cold rolling mill, comprising four-high/six-high rolling mills, each with a pair of work rolls (10) and a pair of backup rolls (12) in the case of four-high rolling stands and, in addition, a pair of intermediate rolls (11) in the case of six-high rolling stands, wherein at least the work rolls (10) and the intermediate rolls (11) interact with axial shifting devices, wherein the work

    Optimization Technology of Roll Contours during Skin

    The hot-rolled strip skin-pass mill is the important technological equipment of finishing process in the hot rolling plant, and its role is to apply a slight thickness reduction of approximately 1% 4% to the finished products cooled to room temperature to repair flatness defects and improve the surface quality and mechanical properties. In this study, the initial flat roll contours were

    DESIGN AND OPTIMIZATION OF ROLLING MILL CHOCK

    Keywords: Rolling mill, roll chock, modeling, design, analysis and optimization. 1. Introduction Roll chocks which accommodate the roll neck bearing for the mil rolls .are sally steel casting designed to fit into the window of the housing such they are intend ant to maintain accurate positioning of the rolls and in the case of backup roll chocks .to transmit the rolling force from the housing

    Hot Rolling Mill Hydraulic Gap Control (HGC) thickness

    rolling mills can be achieved, then in some cases, cold rolling is not even required, which can result in a radical decrease of production costs. The schematic structure of a typical aluminum hot reversing rolling mill can be seen in Figure 1. The aluminum slabs, which have to be rolled, are transported from a re-heat furnace via a roller table, then heated to around 420-450 0C. The initial

    曹建国 USTB

    27. Yang G H, Cao J G, Zhang J,Jia S H and Tan R W. Backup roll contour of a SmartCrown tandem cold rolling mill ， Journal of University of Science and Technology Beijing: Mineral Metallurgy Materials, 2008,15(3):357-361. 28.

    Application of Hot Rolling Lubrication on a Reversing Coil

    torque of tandem mills. In addition, it was recognized that the roll wear in rolling HSLA steels is much faster than that in rolling carbon steels due to the increase of separating force. Application of roll lubrica-tion could bring another benefit to the mill, i.e., reduction of roll wear. Most HSLA steels require thermomechanical control roll-ing to achieve the mechanical properties and high

    宽带钢冷连轧机边降控制支持辊辊形研究

    Backup roll contour for edge drop control technology in tandem cold rolling mill CAO Jian-guo 1, QI Jie-bin,ZHANG Jie1, WANG Cong 2, ZENG Wei2, GONG Gui-liang2 (1. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China; 2. Cold Rolling Mill, Wuhan Iron & Steel (Group) Corp., Wuhan 430083, China)

    Effect of SmartCrown work roll wear contour pattern on

    In order to master the SmartCrown system for profile and flatness control first applied on a 1700mm tandem cold rolling mill, the SmartCrown work roll wear pattern was obtained on the basis of large amount of measured roll contours. A prediction wear model of the SmartCrown work rolls was built up by using genetic algorithm. The effect of the roll wear contour pattern on profile and flatness

    Combined operating modes and frame types in tandem

    Tandem cold rolling mill, comprising four-high/six-high rolling mills, each with a pair of work rolls (10) and a pair of backup rolls (12) in the case of four-high rolling stands and, in addition, a pair of intermediate rolls (11) in the case of six-high rolling stands, wherein at least the work rolls (10) and the intermediate rolls (11) interact with axial shifting devices, wherein the work

    Influence of Roll Profile Configuration on High-Strength

    According to the characteristic of high-strength strip, the roll profile configuration and change of CVC tandem cold mill are analyzed. Through the establishment of FEM model, the influences of three representative forms of roll profile configuration on high-strength strip flatness control in CVC cold rolling mill are compared, which are conventional back-up roll / CVC intermediate roll, back

    Edge Drop Control Technology of 4-Hi Tandem Cold

    For gaining strip edge drop controllability and increasing roll grinding precision, the edge drop control work roll (EDW) was developed and designed in 1700 mm tandem cold rolling mill. During the rolling trial, the roll configuration between EDW and conventional backup roll didn’t match well because of the large fluctuation of strip edge drop, the lower shape control ability and non-uniform

    Optimization Technology of Roll Contours during Skin

    The hot-rolled strip skin-pass mill is the important technological equipment of finishing process in the hot rolling plant, and its role is to apply a slight thickness reduction of approximately 1% 4% to the finished products cooled to room temperature to repair flatness defects and improve the surface quality and mechanical properties. In this study, the initial flat roll contours were

    Toward a heuristic optimum design of rolling schedules for

    01.08.2000· The paper is organized as follows: the basic principles of tandem cold rolling mill scheduling are described in Section 2; Based on the contours of the work roll and the backup roll, the interference between the work and backup rolls can be calculated as follows: (29) y w b x =y w b o +y b x −y w x −C b −C w where y w b 0 is the total roll interference at the strip center, y b x is

    DESIGN AND OPTIMIZATION OF ROLLING MILL CHOCK

    Keywords: Rolling mill, roll chock, modeling, design, analysis and optimization. 1. Introduction Roll chocks which accommodate the roll neck bearing for the mil rolls .are sally steel casting designed to fit into the window of the housing such they are intend ant to maintain accurate positioning of the rolls and in the case of backup roll chocks .to transmit the rolling force from the housing

    Some Basics of Rolling and Rolling Mills IspatGuru

    Rolling mills are designed with different types of roll configurations (Fig 1). Rolls configuration can be reversing (rolls can rotate in forward and backward direction) or non reversing (Rotation of rolls is in a single direction). In the reversing types of rolls for reversing the rolls must be stopped, reversed and then brought back up to the rolling speed. Various types of roll

    Analysis of Chatter in Tandem Cold Rolling Mills_图文_百度文库

    Bending vibration caused by surface defects on backup rolls and torsion vibration of the drive system are the examples.1,2) The most likely instability caused in tandem cold rolling mills is due to vertical oscillations of rolls, and the typical frequency of chatter ranges from 150 to 250 Hz. Also, it has been recognised to have close relation with friction conditions in roll bites. However

    宽带钢冷连轧机边降控制支持辊辊形研究

    Backup roll contour for edge drop control technology in tandem cold rolling mill CAO Jian-guo 1, QI Jie-bin,ZHANG Jie1, WANG Cong 2, ZENG Wei2, GONG Gui-liang2 (1. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China; 2. Cold Rolling Mill, Wuhan Iron & Steel (Group) Corp., Wuhan 430083, China)

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